7985577473 has 4 divisors (see below), whose sum is σ = 7988297520. Its totient is φ = 7982857428.

The previous prime is 7985577427. The next prime is 7985577487. The reversal of 7985577473 is 3747755897.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7985577473 - 2¹⁰ = 7985576449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7985577403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355615 + ... + 1361492.

It is an arithmetic number, because the mean of its divisors is an integer number (1997074380).

Almost surely, 2^7985577473 is an apocalyptic number.

It is an amenable number.

7985577473 is a deficient number, since it is larger than the sum of its proper divisors (2720047).

7985577473 is a wasteful number, since it uses less digits than its factorization.

7985577473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720046.

The product of its digits is 51861600, while the sum is 62.

The square root of 7985577473 is about 89362.0583525245. The cubic root of 7985577473 is about 1998.7973997713.

The spelling of 7985577473 in words is "seven billion, nine hundred eighty-five million, five hundred seventy-seven thousand, four hundred seventy-three".